The patch titled
mm: un-needed add-store operation wastes a few bytes
has been added to the -mm tree. Its filename is
un-needed-add-store-operation-wastes-a-few-bytes.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mm: un-needed add-store operation wastes a few bytes
From: nkalmala <nkalmala@xxxxxxxxx>
Un-needed add-store operation wastes a few bytes.
8 bytes wasted with -O2, on a ppc.
Signed-off-by: nkalmala <nkalmala@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/page_alloc.c~un-needed-add-store-operation-wastes-a-few-bytes mm/page_alloc.c
--- a/mm/page_alloc.c~un-needed-add-store-operation-wastes-a-few-bytes
+++ a/mm/page_alloc.c
@@ -852,7 +852,7 @@ again:
pcp = &zone_pcp(zone, cpu)->pcp[cold];
local_irq_save(flags);
if (!pcp->count) {
- pcp->count += rmqueue_bulk(zone, 0,
+ pcp->count = rmqueue_bulk(zone, 0,
pcp->batch, &pcp->list);
if (unlikely(!pcp->count))
goto failed;
_
Patches currently in -mm which might be from nkalmala@xxxxxxxxx are
un-needed-add-store-operation-wastes-a-few-bytes.patch
ppc-booke-reg-mcsr-msg-misquoted.patch
-
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